Operators

The following operator functions are available:

Function	Description
ST_Buffer	Compute a buffer around a geometry
ST_ConcaveHull	Compute the smallest concave POLYGON containing the geometry’s vertices
ST_ConvexHull	Compute the smallest convex POLYGON containing the geometry’s vertices
ST_Difference	Compute the difference between two geometries
ST_Intersection	Compute the intersection of two geometries
ST_SymDifference	Compute the symmetric difference between two geometries
ST_Union	Compute the union of two or more geometries

• ST_Buffer
• ST_ConcaveHull
• ST_ConvexHull
• ST_Difference
• ST_Intersection
• ST_SymDifference
• ST_Union